Briggs & Stratton Commercial Power is a leading provider of commercial power solutions. The Vanguard™ engine family is the company’s premier line of engines and includes single-cylinder engines from 5.5 to 13 gross horsepower, Vanguard™ V-Twin horizontal and vertical engines from 14 to 23 gross horsepower, and Vanguard™ air-cooled BIG BLOCK™ engines from 25 to 35 gross horsepower (horizontal shaft). All Briggs & Stratton Commercial Power engines are backed by a network of thousands of Authorized Commercial Service Centers worldwide.